April Summary;
- April was slightly warmer than my 14 year average temperature with 12.5C, my average is 11.7C. The warmest April is 2006 with 13.8C, the coolest 2003 with 10.5C. Twenty days reached or exceeded 15C, my average is 21, 6 days reached or exceeded 20C, my average is 7. No days reached or exceeded 25C, my average is 1.
- Wind run was above my average of 3740 with 3928km (105%).
- The barometer recorded average pressure for the month with 1015.0hPa.
- It was very much wetter than average with 362% of expected rainfall (55mm) with 201.5mm, the wettest I've recorded. Number of days with recorded rain, highest daily rainfall and monthly total records were all exceeded. The previous record holder was April 2002 with a daily rainfall of 52.1mm and a monthly total of 121.3mm, the driest, 2001 with 4.5mm over 4 days.
April 2014 Summary Temperature | |
---|---|
Mean | 12.5 C |
Mean Maximum | 16.6 C |
Mean Minimum | 9.8 C |
Maximum High | 23.7 C (20th) |
Maximum Low | 14.1 C (4th) |
Minimum High | 9.4 C (29th) |
Minimum Low | 2.1 C (27th) |
Wind Speed and Direction | |
Maximum Gust | 59 km/h (18th) |
Mean | 5.9 km/h |
Wind Run | 3928 km |
Max Daily Windrun | 400 km (29th) |
Prevailing Direction | East Nth East |
Barometer | |
Maximum | 1029.9 hPa (13th) |
Minimum | 990.7 hPa (28th) |
Mean | 1015.0 hPa |
Max Daily Change | -23.3 hPa (27th) |
Rainfall | |
Days with Measured Rainfall (0.5mm or more) |
18 |
Max Daily Rainfall | 54.5 mm (29th) |
Monthly Rainfall | 201.5 mm |
Humidity | |
Maximum | 100 % (Several Days) |
Minimum | 31 % (26th) |
April Daily Observations | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature | Wind | Rainfall | Barometer | |||||||||
Date | Min | Max | Mean | Mean (Km/h) | Gust (Km/h) | Run (km) | Prevailing Dir | 10 Minute Max (mm) | Total (mm) | Min (hPa) | Max (hPa) | Change (hPa) |
1 | 12.7 | 16.8 | 14.6 | 5.3 | 30 | 120 | East Nth East | 0 | 0 | 1022.6 | 1027.1 | -4.5 |
Overcast with low cloud, a few spots of drizzle, NE winds | ||||||||||||
2 | 13.4 | 26.3 | 16.2 | 3.4 | 24 | 76 | East nth East | 0 | 0 | 1020.9 | 1023.2 | +2.3 |
Cloud breaking late morning to a mild afternoon with variable high cloud. NE winds turning southerly for a time in the afternoon. | ||||||||||||
3 | 12.5 | 21.3 | 15.3 | 5.0 | 31 | 111 | East Nth East | 0 | 0 | 1022.8 | 1025.6 | -2.8 |
Morning low cloud breaking to a mostly sunny afternoon. NE winds turning southerly for a couple of hours from late morning then back to NE. | ||||||||||||
4 | 17.5 | |||||||||||
Full day not recorded due to fault with the station. 17.5C reported by Metservice as the maximum temperature. Low cloud breaking around midday and clearing in the afternoon but returning in the evening. | ||||||||||||
5 | 12.9 | 16.0 | 14.1 | 3.2 | 19 | 73 | South Sth West | 0.5 | 1.0 | 1019.7 | 1022.0 | -2.3 |
Overcast with light southerly winds. Drizzle and showers from early afternoon. | ||||||||||||
6 | 12.7 | 17.7 | 14.3 | 1.9 | 16 | 43 | East Nth East | 0.5 | 0.5 | 1016.9 | 1021.5 | -4.6 |
Morning drizzle clearing and cloud breaking in the afternoon with a few sunny spells. Light southerly winds turning NE in the afternoon. | ||||||||||||
7 | 12.0 | 17.2 | 13.5 | 5.9 | 32 | 132 | South Sth West | 0.5 | 9.5 | 1015.5 | 1023.4 | +8.1 |
Overcast with a few showers during the day turning to rain from evening. Southerly winds. | ||||||||||||
8 | 10.5 | 12.5 | 11.4 | 6.2 | 31 | 136 | South Sth West | 0.5 | 25.0 | 1021.7 | 1027.8 | -4.1 |
Rain easing to drizzle by mid afternoon and clearing at night. Southerly winds dying away in the afternoon. | ||||||||||||
9 | 11.1 | 15.1 | 12.4 | 2.4 | 17 | 55 | South Sth West | 0.5 | 1.0 | 1018.1 | 1023.1 | +5.0 |
Overcast with light southerly winds. Drizzle from late afternoon | ||||||||||||
10 | 11.2 | 15.9 | 12.8 | 1.4 | 14 | 32 | East Nth East | 0.5 | 4.5 | 1019.2 | 1024.4 | -5.2 |
Morning light rain and drizzle clearing by midday but remaining mostly cloudy. Light southerly winds turning NE from late morning. | ||||||||||||
11 | 12.1 | 18.7 | 14.1 | 2.3 | 15 | 51 | South Sth West | 0.5 | 0.5 | 1006.4 | 1019.5 | -13.1 |
Morning drizzle and showers clearing by midday but remaining cloudy. Light southerly breezes turning easterly in the afternoon. | ||||||||||||
12 | 8.3 | 14.5 | 12.0 | 10.9 | 45 | 243 | South Sth West | 0.5 | 9.5 | 1005.9 | 1025.0 | +19.1 |
Overcast with morning rain clearing in the afternoon. Cooler southerly winds. Maximum temperature recorded at 00:10am | ||||||||||||
13 | 7.5 | 12.8 | 8.9 | 1.9 | 19 | 39 | South Sth West | 0.5 | 1.5 | 1025.1 | 1029.9 | +4.8 |
Overcast with morning showers clearing but drizzle returning from mid afternoon. Light southerly breezes. | ||||||||||||
14 | 4.6 | 14.1 | 10.5 | 8.8 | 45 | 201 | East Nth East | 0 | 0 | 1019.3 | 1029.1 | -9.8 |
Mostly cloudy but a few sunny intervals in the morning. NE winds, fresh in the afternoon with a few spots of rain at times | ||||||||||||
15 | 13.0 | 18.0 | 14.9 | 10.4 | 34 | 239 | East Nth East | 0.5 | 1.0 | 1009.1 | 1019.7 | -10.6 |
A brighter day with less low cloud, NE winds. Evening showers. | ||||||||||||
16 | 9.6 | 15.0 | 12.3 | 10.5 | 38 | 236 | South Sth West | 0.5 | 2.0 | 1008.7 | 1022.9 | +14.2 |
Overcast with light rain and drizzle more persistent later in the afternoon. Southerly winds. | ||||||||||||
17 | 8.5 | 12.8 | 9.6 | 4.2 | 46 | 94 | South Sth West | 1.5 | 31.5 | 1014.0 | 1023.5 | -9.5 |
Overcast with rain from early afternoon. Light southerly breezes turning fresh easterly in the evening. | ||||||||||||
18 | 12.3 | 14.8 | 13.9 | 16.9 | 59 | 381 | East Nth East | 1.5 | 32.5 | 1004.1 | 1013.8 | -9.7 |
Overcast with rain and strong NE winds easing in the afternoon. | ||||||||||||
19 | 13.5 | 18.7 | 15.4 | 8.5 | 32 | 191 | East Nth East | 0 | 0 | 993.8 | 1004.0 | -10.2 |
Morning mist clearing to a mostly sunny day with some high cloud. NE winds. | ||||||||||||
20 | 10.9 | 23.7 | 15.4 | 1.7 | 19 | 37 | East Nth East | 0 | 0 | 992.6 | 998.2 | +5.6 |
Variable cloud. Light winds turning mild northerly in the afternoon. | ||||||||||||
21 | 8.2 | 20.1 | 13.3 | 2.9 | 18 | 64 | East Nth East | 0 | 0 | 998.5 | 1013.4 | +14.9 |
Some high cloud but mostly sunny for much of the day. Becoming overcast from late afternoon. Variable breezes tending NE from evening | ||||||||||||
22 | 9.3 | 11.9 | 10.3 | 2.8 | 18 | 62 | East Nth East | 1.0 | 7.0 | 1013.3 | 1021.4 | +8.1 |
Overcast with showers easing to patchy drizzle in the afternoon. Southerly winds turning NE later in the afternoon. | ||||||||||||
23 | 9.4 | 17.7 | 12.3 | 3.1 | 20 | 72 | East Nth East | 0.5 | 0.5 | 1012.5 | 1019.9 | -6.9 |
Sunny for a time in the morning but becoming overcast by midday with showers in the evening. Light NE winds. | ||||||||||||
24 | 10.0 | 17.0 | 12.5 | 4.0 | 21 | 88 | South Sth West | 0 | 0 | 1012.1 | 1016.0 | -3.9 |
Morning cloud breaking to a mostly sunny day. Southerly winds turning NE in the evening. | ||||||||||||
25 | 7.3 | 23.2 | 14.2 | 9.0 | 47 | 206 | East Nth East | 0 | 0 | 1000.8 | 1015.9 | +15.1 |
Morning cloud with a shower late morning. Cloud clearing from midday with gusty mild northerly winds turning cooler southerly from late afternoon | ||||||||||||
26 | 4.3 | 20.4 | 10.1 | 0.6 | 14 | 13 | East Nth East | 0 | 0 | 1016.1 | 1018.7 | +2.6 |
Clear and sunny with hardly any wind. | ||||||||||||
27 | 2.1 | 17.3 | 9.5 | 3.9 | 25 | 87 | East Nth East | 0.5 | 1.5 | 993.6 | 1016.9 | -23.3 |
Some high cloud with sunny intervals. Overcast by mid afternoon with evening showers, NE winds. | ||||||||||||
28 | 6.8 | 11.8 | 8.9 | 6.3 | 40 | 141 | South Sth West | 1.0 | 17.5 | 990.7 | 1003.5 | +12.8 |
Overcast with rain from late morning easing later in the afternoon. Further rain in the evening with strengthening southerly winds. Maximum temperature recorded at 00:10am | ||||||||||||
29 | 8.1 | 9.4 | 8.8 | 18.1 | 52 | 400 | South Sth West | 1.5 | 54.0 | 1003.9 | 1016.9 | +13.0 |
Rain with cold southerly winds caused flooding in parts of Christchurch. Rain and wind easing in the evening. | ||||||||||||
30 | 5.3 | 12.4 | 8.5 | 8.2 | 32 | 182 | South Sth West | 0 | 0 | 1010.4 | 1017.2 | -6.8 |
Partly cloudy with cool southerly winds. |